Buffer overflow in Skyworthdigital Rn510

CVE-2021-25328

Skyworth Digital Technology RN510 V.3.1.0.4 RN510 V.3.1.0.4 contains a buffer overflow vulnerability in /cgi-bin/app-staticIP.asp. An authenticated attacker can send a specially crafted request to endpoint which can lead to a denial of service (DoS) or possible code execution on the device.

Vulnerability class: Buffer Overflow

EPSS: 0.039 (89.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25328?
CVE-2021-25328 is a high-severity vulnerability in Skyworthdigital Rn510, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-04-09.
How severe is CVE-2021-25328?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-25328 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.